/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: MoatazAmory https://cdn.slidesharecdn.com/profile-photo-MoatazAmory-48x48.jpg?cb=1523501928 I have worked with a Premier Cisco Partner (QuadraTech for information technology) as a system and field engineer specialized in the Routing and Switching field with good hands on experience in IP Telephony. Responsibilities included: Post sales and presales support for the customer for all Cisco products that the company was dealing with. http://www.isp-ng.com